UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102011.upa.cvt Date: 1100Z 20 OCT 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 20 OCT 25 Station: BIKF WMO ident: 4018 Latitude: 63.97 Longitude: -22.60 Elevation: 52.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1003 52 3.0 1.7 91 1.3 2.4 45 4 275.9 276.6 275.4 287.6 4.31 1 1000 64 2.8 1.8 93 1.0 2.4 45 6 276.0 276.7 275.5 287.8 4.35 2 970 309 0.4 0.3 99 0.1 0.4 51 7 275.9 276.6 275.0 286.9 4.03 3 929 655 0.0 -0.4 97 0.4 -0.2 59 8 279.0 279.6 276.7 290.0 3.99 4 925 690 -0.3 -0.5 99 0.2 -0.4 60 8 279.0 279.7 276.7 290.0 3.98 5 850 1363 -3.9 -3.9 100 0.0 -3.9 180 8 282.1 282.6 277.4 291.6 3.37 6 782 2017 -7.1 -7.3 98 0.2 -7.2 204 11 285.4 285.9 278.4 293.6 2.82 7 700 2871 -12.9 -13.4 96 0.5 -13.0 235 16 288.2 288.5 278.6 294.0 1.94 8 600 4027 -20.9 -21.5 95 0.6 -21.0 242 24 291.9 292.1 279.3 295.5 1.14 9 596 4076 -20.1 -23.8 72 3.7 -20.8 242 24 293.4 293.6 279.7 296.4 0.94 10 564 4483 -22.3 -29.3 53 7.0 -23.4 245 27 295.5 295.6 280.2 297.4 0.60 11 524 5021 -24.5 -30.5 57 6.0 -25.4 248 31 299.1 299.2 281.8 301.0 0.58 12 504 5303 -26.5 -30.2 71 3.7 -27.1 250 33 300.0 300.2 282.2 302.1 0.62 13 500 5360 -27.3 -33.3 57 6.0 -28.0 250 33 299.8 299.8 281.9 301.3 0.46 14 493 5462 -28.1 -36.1 46 8.0 -29.0 250 34 300.0 300.1 281.8 301.2 0.35 15 470 5805 -30.1 -40.1 37 10.0 -31.0 251 36 301.6 301.7 282.4 302.5 0.25 16 403 6888 -37.5 -46.5 39 9.0 -38.1 255 44 305.6 305.6 283.8 306.1 0.15 17 400 6940 -37.9 -45.9 43 8.0 -38.4 255 44 305.7 305.8 283.9 306.3 0.16 18 373 7418 -40.9 -43.4 77 2.5 -41.1 254 46 307.9 308.0 284.8 308.7 0.22 19 359 7678 -42.3 -57.3 18 15.0 -42.8 253 48 309.4 309.4 285.2 309.6 0.05 20 340 8044 -44.3 -48.9 60 4.6 -44.5 252 50 311.6 311.6 286.1 312.1 0.13 21 303 8805 -50.5 -53.6 70 3.1 -50.6 250 54 313.3 313.3 286.6 313.6 0.09 22 300 8870 -50.9 -54.5 65 3.6 -51.0 250 54 313.6 313.6 286.7 313.9 0.08 23 290 9090 -52.1 -55.8 64 3.7 -52.2 247 52 315.0 315.0 287.2 315.2 0.07 24 285 9202 -52.5 -64.5 22 12.0 -52.7 245 51 315.9 316.0 287.4 316.0 0.02 25 250 10050 -51.7 -70.7 9 19.0 -52.0 265 41 329.2 329.2 291.5 329.2 0.01 26 228 10648 -49.9 -74.9 4 25.0 -50.3 261 37 340.7 340.7 294.5 340.8 0.01 27 200 11500 -50.9 -76.9 3 26.0 -51.3 255 31 352.2 352.2 297.1 352.2 0.01 28 150 13370 -53.5 -79.5 3 26.0 -53.9 285 28 377.9 377.9 301.9 377.9 0.00 29 100 15950 -56.1 -83.1 2 27.0 -56.6 290 27 419.3 419.3 307.6 419.4 0.00 30 70 18200 -58.9 -84.9 2 26.0 -59.4 275 19 458.4 458.4 311.6 458.4 0.00 31 54 19815 -60.7 -86.7 2 26.0 -61.2 294 23 489.5 489.5 314.2 489.6 0.00 32 50 20290 -62.9 -87.9 2 25.0 -63.3 300 24 495.3 495.3 314.6 495.3 0.00 33 30 23390 -68.9 -89.9 3 21.0 -69.2 300 28 556.8 556.8 318.5 556.8 0.00 34 21 25536 -66.7 -89.7 3 23.0 -67.2 322 28 623.2 623.2 321.6 623.3 0.01 35 20 25830 -67.9 -89.9 3 22.0 -68.4 325 28 628.3 628.3 321.8 628.4 0.01 36 14 27962 -70.3 -91.3 3 21.0 -70.8 302 37 687.7 687.7 324.0 687.7 0.01 37 11 29414 -65.1 -89.1 2 24.0 -66.3 286 44 755.7 755.7 326.1 755.8 0.01 38 10 29990 -68.5 -90.5 3 22.0 -69.4 280 46 763.9 763.9 326.3 763.9 0.01 39 9.5 30296 -70.1 -91.1 3 21.0 -70.8 769.1 769.1 326.4 769.2 0.01 40 7.8 31477 -67.3 -89.3 3 22.0 -68.5 824.9 824.9 327.8 825.1 0.02 41 7.1 32049 -63.3 -87.3 2 24.0 -65.4 863.9 863.9 328.7 864.1 0.03 42 6.4 32683 -66.1 -89.1 3 23.0 -67.8 878.0 878.0 329.0 878.2 0.02 43 5.8 33284 -63.3 -86.3 3 23.0 -65.8 915.3 915.3 329.7 915.7 0.04 TRP 285 9202 -52.5 -64.5 22 12.0 -52.7 245 51 315.9 316.0 287.4 316.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5296.00 m Freezing level: 929.00 mb = 655.46 m = 2150.45 ft Wetbulb zero: 941.13 mb = 551.51 m = 1809.38 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 87.78 % Est. max temperature: 9.02 C = 48.24 F Sfc-Lift cond lev (LCL): 982.92 mb = 202.74 m = 665.16 ft T: 1.44 C 700-500 lapse rate: 5.79 C/km ThetaE index: 0.86 C Layer 970.0- 929.0 mb Conv cond level (CCL): 924.71 mb = 692.52 m = 2272.03 ft Mean mixing ratio: 4.04 g/kg Conv temperature: 6.10 C = 42.99 F Cap Strength: 10.28 C Lifted Index: 10.00 C Risk: None Lifted Index @300 mb: 17.75 C Lifted Index @700 mb: 3.66 C Showalter Index: 7.78 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 23.40 C K Index: 19.00 Risk: < 20 % chance of thunderstorms Sweat Index: 49.00 Risk: None Energy Index: 1.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.94 J/kg Max Up Vert Vel: 6.16 m/s Conv Inhibition (B-): 75318.32 J/kg Cap Strength: 10.22 C Lift Cond Lev (LCL): 946.32 mb = 507.40 m = 1664.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 14 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1003 52 45 4 -2.8 -2.8 | 82 17 -17.2 -2.5 1 1000 64 45 6 -4.2 -4.2 | 78 19 -18.6 -3.9 2 925 690 60 8 -6.9 -4.0 | 80 22 -21.3 -3.6 3 850 1363 180 8 0.0 8.0 | 120 17 -14.3 8.4 4 700 2871 235 16 13.1 9.2 | 173 10 -1.2 9.5 5 500 5360 250 33 31.0 11.3 | 235 20 16.7 11.7 6 400 6940 255 44 42.5 11.4 | 247 31 28.2 11.8 7 300 8870 250 54 50.7 18.5 | 243 41 36.4 18.8 8 285 9202 245 51 46.2 21.6 | 235 39 31.9 21.9 9 250 10050 265 41 40.8 3.6 | 262 27 26.5 3.9 10 200 11500 255 31 29.9 8.0 | 242 18 15.6 8.4 11 150 13370 285 28 27.0 -7.2 | 298 14 12.7 -6.9 12 100 15950 290 27 25.4 -9.2 | 309 14 11.0 -8.9 13 70 18200 275 19 18.9 -1.7 | 286 5 4.6 -1.3 14 50 20290 300 24 20.8 -12.0 | 331 13 6.5 -11.6 15 30 23390 300 28 24.2 -14.0 | 324 17 9.9 -13.6 16 20 25830 325 28 16.1 -22.9 | 356 23 1.7 -22.6 17 10 29990 280 46 45.3 -8.0 | 284 32 31.0 -7.6 Wind Parameters Mean winds (0-6000m): 241.5 at 19.1 knts Storm direction: 271.5 at 14.3 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 98.0 deg Storm rel helicity (0-3000m) pos: 131.8 neg: -5.4 tot: 126.4 m^2/s^2 ave: 42.1 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.22 Bulk Shear: 87.58 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 51 7 79 20| 3.8 0.0 3.8| 2.4 -5.4 -3.0 -6.0 -0.17| 4.1 -0.7 1000 67 7 83 21| 4.3 0.0 4.3| 55.0 -5.4 49.6 49.6 0.62| 7.0 4.3 1500 92 8 92 22| 4.3 0.0 4.3| 90.9 -5.4 85.5 57.0 0.69| 7.8 5.3 2000 139 8 109 21| 4.0 0.0 4.0|106.4 -5.4 101.0 50.5 0.72| 6.9 5.0 2500 180 9 124 17| 3.8 0.0 3.8|120.6 -5.4 115.1 46.1 0.74| 6.5 4.8 3000 206 10 134 14| 3.6 0.0 3.6|131.8 -5.4 126.4 42.1 0.75| 6.3 4.7 4000 225 13 151 11| 3.6 0.0 3.6|150.6 -5.4 145.2 36.3 0.77| 5.6 4.3 5000 236 16 173 9| 3.6 0.0 3.6|173.4 -5.4 168.0 33.6 0.77| 5.3 4.0 6000 241 19 195 10| 3.6 0.0 3.6|195.8 -5.4 190.4 31.7 0.74| 5.0 3.7 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251020.11.gif